The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when you can plant heliotrope by using the USDA zone info for Lagrange.

Planting Calendar for Heliotrope

Frost tolerance for heliotrope:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since heliotrope are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant heliotrope in Lagrange is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant heliotrope and expect a good harvest is probably August. Any later than that and your heliotrope may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your heliotrope indoors.

Last Frost Date

The average date of last frost is March 15 in Lagrange. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Lagrange is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Lagrange there is a last frost after March 15 so make sure that you are ready to cover your heliotrope if you have a late frost.

USDA Zone Info for Lagrange

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Lagrange

You may be interested in your other planting guides for Lagrange.